Mr. Klein is professor of international economics at the School of Economics and Business at Martin-Luther-Universität Halle-Wittenberg. He studied economics, history and linguistics in Germany and received his Ph.D. (Dr. rer. pol.) from the University of Bonn in 1984. From 1986 he worked as an economist at the International Monetary Fund in Washington D.C. In 1992, after German unification, he came to Halle University in the new German federal states to take up his current position of professor of international economics. At his university, he is one of the founding members of the graduate school on Foundations of Global Financial Markets - Stability and Change, a PhD program in law and economics. Since 1994 he has regularly worked as a consultant for the International Monetary Fund, with assignments in the CIS, Asia and in Africa. His research interests lie in the areas of international finance and international trade, with an interdisciplinary approach linking economics, law and politics. A special focus of his research is on global governance through international organizations. Current research projects include the reform of investor-state dispute settlement in the Trans-Atlantic Trade and Investment Partnership between the European Union and the United States of America and the development of a theory-based approach to international sovereign debt restructuring.